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STENGELIN J CONRAD

Overview
  • Total Patents
    21
About

STENGELIN J CONRAD has a total of 21 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, Switzerland and France. Its main competitors in its focus markets environmental technology, chemical engineering and engines, pumps and turbines are FRANDSEN AKSEL S, SUIDO KIKO KK and HAMBURGER & CO KG GEORG.

Patent filings in countries

World map showing STENGELIN J CONRADs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Switzerland 4
#3 France 3
#4 Austria 2
#5 Belgium 1

Patent filings per year

Chart showing STENGELIN J CONRADs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Conrad Stengelin J 12
#2 Stengelin J Conrad 5

Latest patents

Publication Filing date Title
FR2094832A5 Sludge remover for waterworks plant
FR2094834A5 Built up semi immersed effluent filterdrum
DE1958247A1 Biological purification plant for waste - water
DE1957685A1 Travelling sludge scraper bridge for - effluent tanks
DE1956728A1 Immersed drop-or spray-forming equipment
DE1952881A1 Waste water clarifying tank
DE1815001A1 Device for the biological purification of waste water
DE1517592A1 Fumigation system
DE1609008A1 Sewage basin
DE1290890B Ventilation device for waste water or similar fluids
DE1459511A1 Purification plant